RARA ULM1000

Product Features

  • Metal clad wire wound resistor
  • Resistance options from 0.1ฮฉ up to 140ฮฉ
  • Power rating of up to 1000W (on heatsink)
  • Tolerance options between ยฑ1% and ยฑ10.0%
  • TCR of +260 ppm/ยฐC maximum
  • For Non UL Approval see the IRM
  • Compliant

The ULM1000 metal clad wire wound resistor series from RARA offers a power rating of up to 1000W on a heat sink (400W in free air) with available resistance values between 0.1ฮฉ and 140ฮฉ (inductive design) or between 0.1ฮฉ and 36ฮฉ (non-inductive design). These high power resistors are UL approved and available with tolerances of ยฑ1.0%, ยฑ2.0%, ยฑ5.0% and ยฑ10.0% as standard with other options available including flying leads or tab terminals, as well as inductive or non-inductive resistive windings. The ULM1000 series from RARA are a metal cover type with an extruded aluminium housing providing strong and rugged protection all with a temperature range from -55ยฐC up to +200ยฐC

  • Metal clad wire wound resistor
  • Option of flying leads, parallel or series terminal connections
  • Inductive resistance ranges available between 0.17ฮฉ and 140ฮฉ (flying leads), 0.1ฮฉ and 18ฮฉ (parallel tab terminal connection) or 18.1ฮฉ and 90ฮฉ (serial tab terminal connection)
  • Non-inductive resistance ranges available between 0.17ฮฉ and 36ฮฉ (flying leads), 0.1ฮฉ and 9ฮฉ (parallel terminal connection) or 9.1ฮฉ and 36ฮฉ (serial terminal connection)
  • TCR of +260 ppm/ยฐC maximum
  • Tolerance values available of ยฑ1.0%, ยฑ2.0%, ยฑ5.0% and ยฑ10.0%
  • Power rating of 1000W on a heat sink (400W in free air)
  • Insulation resistance of 20Mฮฉ minimum
  • UL approved
  • Metal cover type with an extruded aluminium housing
  • Temperature range between -55ยฐC and +200ยฐC
  • Short time overload of 10 x power rating for 5 seconds

Typical applications for the ULM series include:

  • Motor drives
  • Braking and snubbing applications
  • Power sources for industrial equipment

Specifications

Weight 1.83500 kg
Dimensions 59.00 x 61.00 x 335.00mm
Product Type

, ,

Series / Model

Power Rating

,

Minimum Resistance

0.1ฮฉ

Maximum Resistance

140ฮฉ

Tolerance

, , ,

Temperature Coefficient

Insulation Resistance

20Mฮฉ minimum

Inductive or Non Inductive

Inductive, Non Inductive

Termination / Connection

Flying Leads, Parallel Tab Terminal Connection, Serial Tab Terminal Connection

Temperature Range (ยฐC)

-55 to +200ยฐC (Cement)

Ordering Info

Below is the model number configuration for the ULM series from RARA.
Ordering example: ULM1000N6.75ฮฉKFL100
ULMXXXXXXXXXฮฉXFLXXX

Series/Model (ULMXXX)

ULM1000

Connection * (X)

P Parallel
S Series

Inductive/Non-Inductive (X)

(Blank)ย  ย  ย  Inductive
Nย  ย  ย  Non-Inductive

Resistance Value (XXXXฮฉ)

Resistance value expressed in ohms, for example 220.5ฮฉ or 2ฮฉ.

Tolerance (X)

F
ยฑ1%
G
ยฑ2%
J
ยฑ5%
K
ยฑ10%

Termination (FLXXX)

FL XXXย  ย  ย  Flying Lead **
(Blank)ย  ย ย  Tab Terminal

* Defined by the resistance value chosen, see datasheet for full details
** Please include requested lead length with request, for example, FL300 for 300mm flying leads

Product Variations

SKUResistance ValueToleranceInductive or Non InductiveTermination / ConnectionLead Length
RARA ULM1000 SeriesCustom (0.17โ„ฆ - 9โ„ฆ)ยฑ1%InductiveFlying Leads
RARA ULM1000 SeriesCustom (0.17โ„ฆ - 9โ„ฆ)ยฑ1%InductiveParallel Tab Terminal Connection
RARA ULM1000 SeriesCustom (0.17โ„ฆ - 9โ„ฆ)ยฑ1%Non InductiveFlying Leads
RARA ULM1000 SeriesCustom (0.17โ„ฆ - 9โ„ฆ)ยฑ1%Non InductiveParallel Tab Terminal Connection
RARA ULM1000 SeriesCustom (0.17โ„ฆ - 9โ„ฆ)ยฑ10%InductiveFlying Leads
RARA ULM1000 SeriesCustom (0.17โ„ฆ - 9โ„ฆ)ยฑ10%InductiveParallel Tab Terminal Connection
RARA ULM1000 SeriesCustom (0.17โ„ฆ - 9โ„ฆ)ยฑ10%Non InductiveFlying Leads
RARA ULM1000 SeriesCustom (0.17โ„ฆ - 9โ„ฆ)ยฑ10%Non InductiveParallel Tab Terminal Connection
RARA ULM1000 SeriesCustom (0.17โ„ฆ - 9โ„ฆ)ยฑ2%InductiveFlying Leads
RARA ULM1000 SeriesCustom (0.17โ„ฆ - 9โ„ฆ)ยฑ2%InductiveParallel Tab Terminal Connection
RARA ULM1000 SeriesCustom (0.17โ„ฆ - 9โ„ฆ)ยฑ2%Non InductiveFlying Leads
RARA ULM1000 SeriesCustom (0.17โ„ฆ - 9โ„ฆ)ยฑ2%Non InductiveParallel Tab Terminal Connection
RARA ULM1000 SeriesCustom (0.17โ„ฆ - 9โ„ฆ)ยฑ5%InductiveFlying Leads
RARA ULM1000 SeriesCustom (0.17โ„ฆ - 9โ„ฆ)ยฑ5%InductiveParallel Tab Terminal Connection
RARA ULM1000 SeriesCustom (0.17โ„ฆ - 9โ„ฆ)ยฑ5%Non InductiveFlying Leads
RARA ULM1000 SeriesCustom (0.17โ„ฆ - 9โ„ฆ)ยฑ5%Non InductiveParallel Tab Terminal Connection
RARA ULM1000 SeriesCustom (0.1โ„ฆ - 0.16โ„ฆ)ยฑ1%InductiveParallel Tab Terminal Connection
RARA ULM1000 SeriesCustom (0.1โ„ฆ - 0.16โ„ฆ)ยฑ1%Non InductiveParallel Tab Terminal Connection
RARA ULM1000 SeriesCustom (0.1โ„ฆ - 0.16โ„ฆ)ยฑ10%InductiveParallel Tab Terminal Connection
RARA ULM1000 SeriesCustom (0.1โ„ฆ - 0.16โ„ฆ)ยฑ10%Non InductiveParallel Tab Terminal Connection
RARA ULM1000 SeriesCustom (0.1โ„ฆ - 0.16โ„ฆ)ยฑ2%InductiveParallel Tab Terminal Connection
RARA ULM1000 SeriesCustom (0.1โ„ฆ - 0.16โ„ฆ)ยฑ2%Non InductiveParallel Tab Terminal Connection
RARA ULM1000 SeriesCustom (0.1โ„ฆ - 0.16โ„ฆ)ยฑ5%InductiveParallel Tab Terminal Connection
RARA ULM1000 SeriesCustom (0.1โ„ฆ - 0.16โ„ฆ)ยฑ5%Non InductiveParallel Tab Terminal Connection
RARA ULM1000 SeriesCustom (18.1โ„ฆ - 36โ„ฆ)ยฑ1%InductiveFlying Leads
RARA ULM1000 SeriesCustom (18.1โ„ฆ - 36โ„ฆ)ยฑ1%InductiveSerial Tab Terminal Connection
RARA ULM1000 SeriesCustom (18.1โ„ฆ - 36โ„ฆ)ยฑ1%Non InductiveFlying Leads
RARA ULM1000 SeriesCustom (18.1โ„ฆ - 36โ„ฆ)ยฑ1%Non InductiveSerial Tab Terminal Connection
RARA ULM1000 SeriesCustom (18.1โ„ฆ - 36โ„ฆ)ยฑ10%InductiveFlying Leads
RARA ULM1000 SeriesCustom (18.1โ„ฆ - 36โ„ฆ)ยฑ10%InductiveSerial Tab Terminal Connection
RARA ULM1000 SeriesCustom (18.1โ„ฆ - 36โ„ฆ)ยฑ10%Non InductiveFlying Leads
RARA ULM1000 SeriesCustom (18.1โ„ฆ - 36โ„ฆ)ยฑ10%Non InductiveSerial Tab Terminal Connection
RARA ULM1000 SeriesCustom (18.1โ„ฆ - 36โ„ฆ)ยฑ2%InductiveFlying Leads
RARA ULM1000 SeriesCustom (18.1โ„ฆ - 36โ„ฆ)ยฑ2%InductiveSerial Tab Terminal Connection
RARA ULM1000 SeriesCustom (18.1โ„ฆ - 36โ„ฆ)ยฑ2%Non InductiveFlying Leads
RARA ULM1000 SeriesCustom (18.1โ„ฆ - 36โ„ฆ)ยฑ2%Non InductiveSerial Tab Terminal Connection
RARA ULM1000 SeriesCustom (18.1โ„ฆ - 36โ„ฆ)ยฑ5%InductiveFlying Leads
RARA ULM1000 SeriesCustom (18.1โ„ฆ - 36โ„ฆ)ยฑ5%InductiveSerial Tab Terminal Connection
RARA ULM1000 SeriesCustom (18.1โ„ฆ - 36โ„ฆ)ยฑ5%Non InductiveFlying Leads
RARA ULM1000 SeriesCustom (18.1โ„ฆ - 36โ„ฆ)ยฑ5%Non InductiveSerial Tab Terminal Connection
RARA ULM1000 SeriesCustom (36.1โ„ฆ - 90โ„ฆ)ยฑ1%InductiveFlying Leads
RARA ULM1000 SeriesCustom (36.1โ„ฆ - 90โ„ฆ)ยฑ1%InductiveSerial Tab Terminal Connection
RARA ULM1000 SeriesCustom (36.1โ„ฆ - 90โ„ฆ)ยฑ10%InductiveFlying Leads
RARA ULM1000 SeriesCustom (36.1โ„ฆ - 90โ„ฆ)ยฑ10%InductiveSerial Tab Terminal Connection
RARA ULM1000 SeriesCustom (36.1โ„ฆ - 90โ„ฆ)ยฑ2%InductiveFlying Leads
RARA ULM1000 SeriesCustom (36.1โ„ฆ - 90โ„ฆ)ยฑ2%InductiveSerial Tab Terminal Connection
RARA ULM1000 SeriesCustom (36.1โ„ฆ - 90โ„ฆ)ยฑ5%InductiveFlying Leads
RARA ULM1000 SeriesCustom (36.1โ„ฆ - 90โ„ฆ)ยฑ5%InductiveSerial Tab Terminal Connection
RARA ULM1000 SeriesCustom (9.1ฮฉ - 18ฮฉ)ยฑ1%InductiveFlying Leads
RARA ULM1000 SeriesCustom (9.1ฮฉ - 18ฮฉ)ยฑ1%InductiveParallel Tab Terminal Connection
RARA ULM1000 SeriesCustom (9.1ฮฉ - 18ฮฉ)ยฑ1%Non InductiveFlying Leads
RARA ULM1000 SeriesCustom (9.1ฮฉ - 18ฮฉ)ยฑ1%Non InductiveSerial Tab Terminal Connection
RARA ULM1000 SeriesCustom (9.1ฮฉ - 18ฮฉ)ยฑ10%InductiveFlying Leads
RARA ULM1000 SeriesCustom (9.1ฮฉ - 18ฮฉ)ยฑ10%InductiveParallel Tab Terminal Connection
RARA ULM1000 SeriesCustom (9.1ฮฉ - 18ฮฉ)ยฑ10%Non InductiveFlying Leads
RARA ULM1000 SeriesCustom (9.1ฮฉ - 18ฮฉ)ยฑ10%Non InductiveSerial Tab Terminal Connection
RARA ULM1000 SeriesCustom (9.1ฮฉ - 18ฮฉ)ยฑ2%InductiveFlying Leads
RARA ULM1000 SeriesCustom (9.1ฮฉ - 18ฮฉ)ยฑ2%InductiveParallel Tab Terminal Connection
RARA ULM1000 SeriesCustom (9.1ฮฉ - 18ฮฉ)ยฑ2%Non InductiveFlying Leads
RARA ULM1000 SeriesCustom (9.1ฮฉ - 18ฮฉ)ยฑ2%Non InductiveSerial Tab Terminal Connection
RARA ULM1000 SeriesCustom (9.1ฮฉ - 18ฮฉ)ยฑ5%InductiveFlying Leads
RARA ULM1000 SeriesCustom (9.1ฮฉ - 18ฮฉ)ยฑ5%InductiveParallel Tab Terminal Connection
RARA ULM1000 SeriesCustom (9.1ฮฉ - 18ฮฉ)ยฑ5%Non InductiveFlying Leads
RARA ULM1000 SeriesCustom (9.1ฮฉ - 18ฮฉ)ยฑ5%Non InductiveSerial Tab Terminal Connection
RARA ULM1000 SeriesCustom (90.1โ„ฆ - 140โ„ฆ)ยฑ1%InductiveFlying Leads
RARA ULM1000 SeriesCustom (90.1โ„ฆ - 140โ„ฆ)ยฑ10%InductiveFlying Leads
RARA ULM1000 SeriesCustom (90.1โ„ฆ - 140โ„ฆ)ยฑ2%InductiveFlying Leads
RARA ULM1000 SeriesCustom (90.1โ„ฆ - 140โ„ฆ)ยฑ5%InductiveFlying Leads

ULM Series Products

Electronic Components

 Product nameDimensionsPower RatingMinimum ResistanceMaximum ResistanceToleranceTemperature CoefficientDatasheet 
RARA ULM60059.00 x 61.00 x 235.00mm330W, 600W0.1ฮฉ94ฮฉยฑ1%, ยฑ2%, ยฑ5%, ยฑ10%ยฑ260 ppm/ยฐC View Product
RARA ULM80059.00 x 61.00 x 285.00mm360W, 800W0.1ฮฉ112ฮฉยฑ1%, ยฑ2%, ยฑ5%, ยฑ10%ยฑ260 ppm/ยฐC View Product
RARA ULM100059.00 x 61.00 x 335.00mm400W, 1kW0.1ฮฉ140ฮฉยฑ1%, ยฑ2%, ยฑ5%, ยฑ10%ยฑ260 ppm/ยฐC View Product
RARA ULM120059.00 x 61.00 x 405.00mm480W, 1.2kW0.1ฮฉ160ฮฉยฑ1%, ยฑ2%, ยฑ5%, ยฑ10%ยฑ260 ppm/ยฐC View Product
RARA ULM1600100.00 x 50.00 x 330.00mm570W0.3ฮฉ88ฮฉยฑ1%, ยฑ5%, ยฑ10%ยฑ260 ppm/ยฐC View Product
RARA ULM2000100.00 x 50.00 x 400.00mm650W0.45ฮฉ113ฮฉยฑ1%, ยฑ5%, ยฑ10%ยฑ260 ppm/ยฐC View Product
RARA ULM2400100.00 x 50.00 x 480.00mm720W0.6ฮฉ144ฮฉยฑ1%, ยฑ5%, ยฑ10%ยฑ260 ppm/ยฐC View Product
RARA ULM2800100.00 x 50.00 x 550.00mm750W0.7ฮฉ135ฮฉยฑ1%, ยฑ5%, ยฑ10%ยฑ260 ppm/ยฐC View Product

Resources

Product Datasheet

Supporting Manufacturer Information

RARA ULM1000

RARA ULM1000